Chevrolet 2500HD Bedienungsanleitung Seite 55

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Seitenansicht 54
Black plate (29,1)
DURAMAX Diesel Engine (LML/LGH) - 2011
Driving and Operating 9-29
To Prime the Vehicle (Pickup
Models)
The vehicle is equipped with a
priming pump which is part of the
engine mounted fuel filter. The
priming pump is hand operated and
is designed to bring fuel to the
engine to eliminate any air in the
fuel lines. To prime the engine:
1. Correct the condition that
caused the loss of prime by
making sure there is fuel in
the tank.
2. Make sure the fuel filter has
been installed and properly
tightened.
3. Make sure the fuel lines are
properly connected and the fuel
filter is cool enough to touch.
4. Remove any dirt from the fuel
filter head and vent valve by
wiping with a cloth.
5. Open the fuel filter vent
valve by turning the screw
counterclockwise several full
turns. The vent valve is located
on top of the fuel filter housing.
6. Repeatedly push down on the
fuel filter priming pump with the
palm of your hand. The pump is
located on top of the fuel filter
housing. Let the pump return
upward between pushes.
7. Operate the priming pump until a
small amount of fuel seeps from
the vent valve. When fuel is
seen, the filter is now full of
fuel and the system should be
primed.
8. Close the vent valve. Clean any
fuel that accumulated on the fuel
filter. Attempt to start the engine.
The engine may start and stall.
If this occurs, operate the
priming pump several times in
between starting attempts. Once
the engine stays running, allow it
to idle for a few minutes. Check
the filter for leaks.
To Prime the Vehicle (Van Models)
The vehicle has an electric
priming pump. The priming pump
is operated electrically and is
designed to bring fuel to the engine
to eliminate any air in the fuel lines.
To prime the engine:
1. Correct the condition that
caused the loss of prime by
making sure there is fuel in
the tank.
2. Turn the ignition key on for
30 seconds. The fuel pump will
be operating and starting the
priming process. Do not start
the engine during the first
30 seconds.
3. After completing the initial prime
in Step 2, turn the ignition off,
then back to start, and crank the
engine for 15 seconds.
4. If the engine does not start,
repeat Steps 2 and 3 until the
engine starts.
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